Population Dynamics of Aphthona whitfieldi (Coleoptera: Chrysomelidae), Pest of Jatropha curcas, and Environmental Factors Favoring Its Abundance in Burkina Faso.
Population Dynamics of Aphthona whitfieldi (Coleoptera: Chrysomelidae), Pest of Jatropha curcas, and Environmental Factors Favoring Its Abundance in Burkina Faso.
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DOI：
10.1093/jisesa/iev084
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
Kenis M
中科院分区：
文献类型：
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作者：
Sawadogo A;Nagalo E;Nacro S;Rouamba M;Kenis M
跳蚤甲虫 Aphthona Whitfieldi Bryant（鞘翅目：叶甲科）是布基纳法索和其他几个西非国家生物能源作物麻风树（大戟科）的主要害虫。成虫严重使植物落叶，导致幼苗死亡、生长不良和产量低。为了研究布基纳法索西西里省害虫的种群动态，一年内每周对 12 个地点进行监测，并在昆虫丰度高峰期检查 31 个地点的损害情况。评估了种植系统（树篱、间作和单一栽培）和周围植被对 A.whitfieldi 种群密度的影响。甲虫在旱季很少出现，在雨季后半段达到高峰。耕作制度对丰度和攻击水平没有显着影响。相比之下，紧邻休耕地似乎会增加损害程度。在开发可持续控制方法之前，A.whitfieldi 的生物学和生态学的许多方面仍有待研究。然而，这项研究已经使我们能够为管理的进一步研究提出建议。
The flea beetle Aphthona whitfieldi Bryant (Coleoptera: Chrysomelidae) is the main pest of the bioenergy crop Jatropha curcas L. (Euphorbiaceae) in Burkina Faso and several other West African countries. Adults severely defoliate plants, resulting in seedling mortality, poor growth, and low yields. To study the population dynamics of the pest in the Sissili Province of Burkina Faso, 12 sites were monitored weekly during a year and 31 sites were inspected for damage at the peak period of insect abundance. The effect of cropping systems (hedge, intercropping, and monoculture) and surrounding vegetation on population densities of A. whitfieldi was assessed. Beetles were rarely found in the dry season and peaked in the second half of the rainy season. The cropping system did not significantly influence the abundance and attack level. In contrast, the close vicinity of fallow lands seems to increase damage levels. Many aspects of the biology and ecology of A. whitfieldi remain to be investigated before sustainable control methods can be developed. However, this study already allows us to propose recommendations for further research on management.